Differential photometry of speckle-interferometric binary and multiple stars


The positions given represent our best estimates of these values. Hipparcos identifier from Cat. Using differential photometry from Hipparcos or speckle and the standard relation between mass and absolute magnitude, the component's masses and dynamical parallaxes are estimated for all 15 systems with new or updated orbits. Monthly Notices of the Royal Astronomical Society. Inspeckle interferometry observations using the 1.

See tables 4, 5, 6, and 8. Astrophysics and Space Science. Webarchive template wayback links Articles containing Ancient Greek-language text.

The first three letters corresponds to the WDS discoverer while the next four numbers indicate the date of publication. This page was last edited on 20 Februaryat Worley and remained as an internal publication for over 20 years.

The positions given represent our best estimates of these values. Revisiting the concept of superclusters". Retrieved October 14,

Radial velocity R v. This page was last edited on 20 Februaryat Flag on Dmag as follows:

Here, eight previously known orbits are defined better, two more are completely revised, and five orbits are computed for the first time. The NewCode from refs. Abell Cygnus A cluster. P "Two-colour photometry for components of close Hipparcos double and multiple stars", Fabricius, C.

Worley and remained as an internal publication for over 20 years. Due to uncertainties in bandpass characteristics or variability, no summary line is presented, rather a complete listing of all data. Byte-by-byte Description of file: Gliese Gliese Gliese Gliese

It is thought that it originated in the Greek name ornis for the constellation of Cygnus, which became urnis in Arabic. This may contain specifics of the filter used both effective wavelength and FWHM in nanometerserrors i. The blue line shows the boundaries of the constellation the Swan. Using differential photometry from Hipparcos or speckle and the standard relation between mass and absolute magnitude, the component's masses and dynamical parallaxes are estimated for all 15 systems with new or updated orbits. A more detailed introduction is provided in the " dm.

By using this site, you agree to the Terms of Use and Privacy Policy. Retrieved 22 May Radial velocity R v.